xmonad: Manage fullscreen games correctly

modules/wm/xmonad/config.hs

@@ -3,11 +3,14 @@ import XMonad.Actions.CycleWS qualified as WS
 import XMonad.Actions.Navigation2D (navigation2DP, windowGo, windowSwap)
 import XMonad.Hooks.EwmhDesktops
 import XMonad.Hooks.ManageDocks qualified as Docks
+import XMonad.Hooks.ManageHelpers (doFullFloat, isDialog, isFullscreen)
 import XMonad.Hooks.SetWMName
 import XMonad.Layout.BinarySpacePartition
 import XMonad.Layout.BorderResize (borderResize)
+import XMonad.Layout.NoBorders (smartBorders)
 import XMonad.Layout.ThreeColumns
 import XMonad.Layout.ToggleLayouts (ToggleLayout (..), toggleLayouts)
+import XMonad.ManageHook (doFloat)
 import XMonad.Util.EZConfig qualified as EZ
 import XMonad.Util.Ungrab (unGrab)
 
@@ -31,9 +34,7 @@ compileRestart resume = do
                 executeFile (cacheDir dirs </> compiledConfig) False args Nothing
             )
 
-myLayout = borderResize $ Docks.avoidStruts layout
-  where
-    layout = emptyBSP ||| Full
+myLayout = smartBorders . borderResize . Docks.avoidStruts $ toggleLayouts emptyBSP Full
 
 main :: IO ()
 main = getDirectories >>= launch myConfig
@@ -60,16 +61,22 @@ changeVolume :: VolumeCommand -> X ()
 changeVolume = spawn . interpretVolumeCommand
 
 myConfig =
-    Docks.docks
+    ewmhFullscreen
         . ewmh
-        . ewmhFullscreen
+        . Docks.docks
         . nav
         $ def
             { modMask = mod4Mask -- Use Super instead of Alt
             , terminal = "alacritty"
             , layoutHook = myLayout
+            , handleEventHook = handleEventHook def <+> fullscreenEventHook
             , -- this seems to be necessary to make java gui applications work :(
               startupHook = ewmhDesktopsStartup >> setWMName "LG3D"
+            , manageHook =
+                mconcat
+                    [ isDialog --> doFloat
+                    , isFullscreen --> doFullFloat
+                    ]
             }
             `EZ.additionalKeysP` [ ("M-S-z", spawn "xscreensaver-command -lock")
                                  , ("M-S-r", compileRestart True)